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(19)

RU

(11)

2 656 492

(13)

C2

(51)

IPC

C09C1/36(2006-01-01)

C09D5/24(2006-01-01)

(21) (22)

Application

2016101116, 2014-05-28

(24)

Start date

2014-05-28

(22)

Actual filing date

2014-05-28

(45)

Published

2018-06-05

(72)

Inventor

Ryuger Rajnkhold

(73)

Holder

Merck Patent Gmbh

TRANSPARENT, OPTICALLY VARIABLE INTERFERENCE PIGMENTS WITH ELECTRICAL SEMI-CONDUCTING PROPERTIES Russian patent published in 2018 - IPC C09C1/36 C09D5/24 

Abstract RU 2656492 C2

FIELD: chemistry.

SUBSTANCE: present invention relates to a process for the production of transparent, optically variable, electrically semiconducting interfering pigments, as well as their use. These pigments refer particularly to interfered flake form pigments that contain an oxygen-poor layer of TiO2-x.

EFFECT: technical result of the invention is to provide protection against counterfeit products.

15 cl, 2 tbl, 12 ex

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RU 2 656 492 C2

Authors

Ryuger Rajnkhold

Dates

2018-06-05—Published

2014-05-28—Filed

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